Top 10 “Useless” Organs

Can there really be a useless organ? Well, no one wants to part with their appendix, until it acts up. Same with wisdom teeth. See what other ha-ha's Mother Nature endowed us with.


No. 1 – Male Nipples

Because, why?

Image Credit: DCL

No. 2 – Appendix

Darwin claimed the appendix was useful for digestion during our early plant-eating years; it's dwindled down to little since we started eating more digestible foods.


    Image Credit: DCL


No. 3 – Wisdom Teeth

Back in the day, when we ate mammoth meat off the bone and didn't floss afterward, our teeth tended to fall out. Therefore, when those reserve molars, aka "wisdom teeth," came in they were welcomed. Nowadays, fluoride and dental plans have just made them a huge pain.3                                                                                          Image Credit: DCL


No. 4 – Erector Pili

When we were hairier, the erector pili made the hairs stand on end when we needed to appear bigger and scarier. Now, it just gives us goose bumps.4                                                                              Image Credit: DCL


No. 5 – Coccyx

More useful as a game-winning Scrabble word than part of the anatomy, the coccyx, or tailbone, is several fused vertebrae left over from the olden days when we had tails.5                                                                                   Image Credit: DCL


No. 6 – Tonsils

Also prone to swelling and infection. If you have them by your 30s, it's almost an accomplishment.6                                                                                 Image Credit: DCL


No. 7 – Adenoids

Adenoids trap bacteria, but they're also prone to swelling and infection. Just ask any 7-year-old. Luckily, our adenoids shrink with age and are often removed, along with …7                                                                                    Image Credit: DCL


No. 8 – Sinuses

Doctors don't really know much about sinuses, only that we have a lot of them. Possibilities for their function range from insulating our eyes to changing the pitch and tone of our voice.8                                                                                   Image Credit: DCL


No. 9 – Body Hair

No doubt we were once hairier. Up until about 3 million years ago, we were covered with it. But by the time Homo erectus arrived, the ability to sweat meant we could shed our wooly ways.300x2502


No. 10 – Plica semilunaris (third eyelid)

You may not know it, but you have a third eyelid. Pull open the two more noticeable eyelids and take a look – it's located right in the corner by the tear duct. The third eyelid is left over from what's known as a "nictitating membrane," which is still present in animals like chickens, lizards and sharks.9                                                                       Image Credit:




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